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293079013 = 437321279
BaseRepresentation
bin10001011110000…
…000011111100101
3202102110221211021
4101132000133211
51100012012023
645025411141
710156062523
oct2136003745
9672427737
10293079013
11140487667
1282199ab1
1348946846
142acd1313
151aae335d
hex117807e5

293079013 has 12 divisors (see below), whose sum is σ = 304296960. Its totient is φ = 282121056.

The previous prime is 293078999. The next prime is 293079023. The reversal of 293079013 is 310970392.

It is a de Polignac number, because none of the positive numbers 2k-293079013 is a prime.

It is a super-2 number, since 2×2930790132 = 171790615722108338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 293079013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (293079023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228508 + ... + 229786.

It is an arithmetic number, because the mean of its divisors is an integer number (25358080).

Almost surely, 2293079013 is an apocalyptic number.

It is an amenable number.

293079013 is a deficient number, since it is larger than the sum of its proper divisors (11217947).

293079013 is an equidigital number, since it uses as much as digits as its factorization.

293079013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 293079013 is about 17119.5506074196. The cubic root of 293079013 is about 664.2449175437.

The spelling of 293079013 in words is "two hundred ninety-three million, seventy-nine thousand, thirteen".

Divisors: 1 43 73 1279 3139 5329 54997 93367 229147 4014781 6815791 293079013